Improvement in machines for felting hat-bodies



rollers as required by means of his own treadle, which is muc/h 'lesslaborious than the ordinary method of Vraising the frame up by hand, andthus both space and labor are economized.

We are aware that spiral ribs have been arranged upon the rollers offelting-rnaohnes, and are shown in the English patent No. 455, grantedin 1866. Ib will be seen, however, that the projections ou the rolls dAand e are either annular, as shown in figs. 3, 4, and 5,

2. Forming the working-surface of the rollers of elliptieal rings, ofIndia rubber or other suitable material, placed at sueh an angle on therollers and at such a distance apart that the upper edges of each shalloverlap the, lower edges of the next one, as shown in figs. 3 and 5 onlelle drawings.

3. The mode of and apparat-us for driving and raising and lowering therollers, substantially as bereinbefore described and illustrated in Thedrawings annexed.

1u testimony whereof we have signed our names to this specification iuthe presence of two subscribing Witnesses.

JAMES KIRK.

SAMUEL SHELMERDINE.

GEPHAS FROGGATT.

Witnesses GEORGE Dnvms, C. E., JOHN HUGHES.

